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-rw-r--r--js/src/jit-test/tests/collections/Set-clear-1.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Set-clear-1.js b/js/src/jit-test/tests/collections/Set-clear-1.js
new file mode 100644
index 000000000..ce6bc1952
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Set-clear-1.js
@@ -0,0 +1,8 @@
+// Clearing an empty Set has no effect.
+
+var s = new Set();
+for (var i = 0; i < 2; i++) {
+ s.clear();
+ assertEq(s.size, 0);
+ assertEq(s.has(undefined), false);
+}